Scilab Function
Last update : 12/1/2004

cont_mat - controllability matrix

### Calling Sequence

  `Cc=cont_mat(A,B)`
  `Cc=cont_mat(sl)`

### Parameters

- `a,b`: two real matrices of appropriate dimensions
- `sl`: linear system (`syslin` list)

### Description

`cont_mat` returns the controllability matrix of the pair `A,B` (resp. of the system `sl=[A,B,C,D]`).

    Cc=[B, AB, A^2 B,..., A^(n-1) B]

### See Also

`ctr_gram`, `contr`, `canon`, `st_ility`,